Abstract
Medicinal herbs are reserves for natural resources of each country. Iran also are rich of medicinal plant species. More medicinal plants are wild and their seeds have low germination. The experimental was carried out based on
factorial (6*2 design in three replication by using of six treatments including: Acid Gibberlic 250( 500, ppm
and Potassium nitrate ( 1 % , 2 % ) and cold treatment 4C in laboratory of seed technology of gene bank in research Institute of forestry and range land on 2011-2012 . The seed germination characteristics including :
percent and speed of germination ,rootlet and shootlet length, root to shoot ratio, seed length, fresh weight ,
vigour index and number of normal seedling were calculated. The analysis of variance showed that there were significance (P≤5%) differences between treatment population and interaction of treatment with populations .
Comparing of seed germination characteristics of two populations showed that population of Safarlo with provenance of east Azarbijan had higher seed germination characteristics than Arasbaran population. Comparing of osmo-priming technique and cold treatment with control showed that prime of seed samples with Acid
Gibberlic 250ppm and 500ppm was caused to enhancement of seed germination and seed emergence characteristics and vigour for both two populations compare with control and other treatment.

Global Barley Seeds Market is expected to grow at a positive CAGR in the forthcoming years. Barley is a major cereal in North Africa, Middle-East and West Asia. Barley being the major crop for cultivation by farmers in African region it can even replace wheat which is a dominant crop and is also drought resistant. Barley is grown in semi-arid climate and the speed of germination and emergence is successfully important for successful establishment. The crop is more tolerant than other cereals to alkaline soils and less resistive to acidic soils.

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Magazine: Monitoring of emerging new seed borne diseases of significance in ...